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move.c: dont invalidate viewport when no scroll happened

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This commit is contained in:
Rom Grk
2020-10-25 02:25:22 -04:00
parent a1596f0b0b
commit d2a38dab80
2 changed files with 18 additions and 6 deletions
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14
src/nvim/move.c
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@@ -1020,7 +1020,7 @@ void textpos2screenpos(win_T *wp, pos_T *pos, int *rowp, int *scolp,
/*
* Scroll the current window down by "line_count" logical lines. "CTRL-Y"
*/
void
bool
scrolldown (
long line_count,
int byfold /* true: count a closed fold as one line */
@@ -1095,17 +1095,21 @@ scrolldown (
foldAdjustCursor();
coladvance(curwin->w_curswant);
}
return moved;
}
/*
* Scroll the current window up by "line_count" logical lines. "CTRL-E"
*/
void
bool
scrollup (
long line_count,
int byfold /* true: count a closed fold as one line */
)
{
linenr_T topline = curwin->w_topline;
linenr_T botline = curwin->w_botline;
if ((byfold && hasAnyFolding(curwin))
|| curwin->w_p_diff) {
// count each sequence of folded lines as one logical line
@@ -1148,6 +1152,12 @@ scrollup (
~(VALID_WROW|VALID_WCOL|VALID_CHEIGHT|VALID_CROW|VALID_VIRTCOL);
coladvance(curwin->w_curswant);
}
bool moved =
topline != curwin->w_topline ||
botline != curwin->w_botline;
return moved;
}
/*